90199420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 194802048

約数和(自身を除く): 104602628

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 134, 166, 268, 332, 335, 415, 670, 811, 830, 1340, 1622, 1660, 3244, 4055, 5561, 8110, 11122, 16220, 22244, 27805, 54337, 55610, 67313, 108674, 111220, 134626, 217348, 269252, 271685, 336565, 543370, 673130, 1086740, 1346260, 4509971, 9019942, 18039884, 22549855, 45099710, 90199420]

約数ペア:

[(1, 90199420), (2, 45099710), (4, 22549855), (5, 18039884), (10, 9019942), (20, 4509971), (67, 1346260), (83, 1086740), (134, 673130), (166, 543370), (268, 336565), (332, 271685), (335, 269252), (415, 217348), (670, 134626), (811, 111220), (830, 108674), (1340, 67313), (1622, 55610), (1660, 54337), (3244, 27805), (4055, 22244), (5561, 16220), (8110, 11122)]